/*封装flex布局*/
    .u-f-d,.u-f-a,.u-f-aj,.u-f-ajc,.u-f-ajr{
		display: flex;
	}
	.u-f-a,.u-f-aj,.u-f-ajc,.u-f-ajr{
		align-items: center;
	}
	.u-f-aj{
		justify-content: space-between;
	}
	.u-f-ajc{
		justify-content: center;
	}
	.u-f-ajr{
		justify-content: flex-end;
	}
	.u-f-l{
		flex-direction: column;
	}
	.u-f1{
		flex: 1;
	}